46991425 has 12 divisors (see below), whose sum is σ = 62752060. Its totient is φ = 34701120.

The previous prime is 46991423. The next prime is 46991429. The reversal of 46991425 is 52419964.

It can be written as a sum of positive squares in 6 ways, for example, as 11992369 + 34999056 = 3463^2 + 5916^2 .

It is not a de Polignac number, because 46991425 - 2¹ = 46991423 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (46991423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71970 + ... + 72619.

Almost surely, 2^46991425 is an apocalyptic number.

It is an amenable number.

46991425 is a deficient number, since it is larger than the sum of its proper divisors (15760635).

46991425 is a wasteful number, since it uses less digits than its factorization.

46991425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144612 (or 144607 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 46991425 is about 6855.0291757220. The cubic root of 46991425 is about 360.8606593856.

The spelling of 46991425 in words is "forty-six million, nine hundred ninety-one thousand, four hundred twenty-five".